Mopar 68027607AA Rail-Fuel

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To remove the fuel injectors, start by relieving the fuel pressure and disconnecting the battery cable. Remove the air intake duct/resonator from the air filter housing and throttle body. Use a special tool to remove the fuel line from the fuel rail and label and remove any interfering vacuum hoses or electrical wiring and connectors. On 2.4L four-cylinder engines, drain the coolant, remove the thermostat, injector wiring, PCV valve, and intake manifold bolts. On V6 engines, disconnect electrical connectors from the throttle body, remove ignition coils, and intake manifold (4.0L engines). Clean around the injectors and remove the fuel rail mounting nuts/bolts, then gently rock the fuel rail to remove it along with the injectors as an assembly. On V6 models, do not separate the left and right fuel rails, as both sides are serviced together. Remove the injectors from the fuel rail, discard the O-rings, and replace them with new ones coated in clean engine oil. Clean the injector bores on the intake manifold and insert the injectors into their corresponding bores in the fuel rail. Securely tighten the fuel rail mounting nuts/bolts, connect the fuel line(s), and ensure they are properly seated. Connect the electrical connectors to each injector, following numbered tags if present. Complete the installation process in reverse. After installation, turn the ignition switch to On a few times without starting the engine to build up fuel pressure and check for fuel leaks in the lines, fuel rail, and injectors.